./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:41:37,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:41:37,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:41:38,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:41:38,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:41:38,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:41:38,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:41:38,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:41:38,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:41:38,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:41:38,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:41:38,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:41:38,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:41:38,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:41:38,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:41:38,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:41:38,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:41:38,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:41:38,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:41:38,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:41:38,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:41:38,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:41:38,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:41:38,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:41:38,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:41:38,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:41:38,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:41:38,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:41:38,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:41:38,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:41:38,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:41:38,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:41:38,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:41:38,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:41:38,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:41:38,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:41:38,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:41:38,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:41:38,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:41:38,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:41:38,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:41:38,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:41:38,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:41:38,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:41:38,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:41:38,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:41:38,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:41:38,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:41:38,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:41:38,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:41:38,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:41:38,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:41:38,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:41:38,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:41:38,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:41:38,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:41:38,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:41:38,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:41:38,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:41:38,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:41:38,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:41:38,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:41:38,169 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:41:38,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:41:38,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:41:38,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:41:38,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:41:38,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:41:38,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:41:38,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:41:38,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:41:38,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:41:38,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2021-11-21 06:41:38,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:41:38,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:41:38,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:41:38,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:41:38,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:41:38,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2021-11-21 06:41:38,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/data/631272a93/863998adc23f46fa8eb7e62bcf1b36aa/FLAGbaf89e593 [2021-11-21 06:41:39,112 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:41:39,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2021-11-21 06:41:39,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/data/631272a93/863998adc23f46fa8eb7e62bcf1b36aa/FLAGbaf89e593 [2021-11-21 06:41:39,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/data/631272a93/863998adc23f46fa8eb7e62bcf1b36aa [2021-11-21 06:41:39,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:41:39,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:41:39,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:41:39,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:41:39,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:41:39,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:39" (1/1) ... [2021-11-21 06:41:39,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:39, skipping insertion in model container [2021-11-21 06:41:39,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:39" (1/1) ... [2021-11-21 06:41:39,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:41:39,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:41:40,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2021-11-21 06:41:40,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:41:40,336 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:41:40,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2021-11-21 06:41:40,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:41:40,490 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:41:40,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40 WrapperNode [2021-11-21 06:41:40,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:41:40,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:41:40,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:41:40,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:41:40,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,622 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-21 06:41:40,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:41:40,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:41:40,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:41:40,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:41:40,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:41:40,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:41:40,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:41:40,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:41:40,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:40" (1/1) ... [2021-11-21 06:41:40,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:41:40,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:41:40,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:41:40,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:41:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:41:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 06:41:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 06:41:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:41:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:41:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:41:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:41:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:41:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:41:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:41:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:41:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:41:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:41:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:41:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:41:41,243 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:41:41,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:41:42,316 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:41:42,676 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:41:42,676 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 06:41:42,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:42 BoogieIcfgContainer [2021-11-21 06:41:42,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:41:42,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:41:42,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:41:42,716 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:41:42,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:42" (1/1) ... [2021-11-21 06:41:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:41:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 231 transitions. [2021-11-21 06:41:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2021-11-21 06:41:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:41:42,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:42,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:42,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2021-11-21 06:41:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2021-11-21 06:41:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:41:43,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:43,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:43,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:43,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2021-11-21 06:41:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2021-11-21 06:41:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:41:43,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:43,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:43,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:43,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 136 states and 229 transitions. [2021-11-21 06:41:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 229 transitions. [2021-11-21 06:41:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:41:43,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:43,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:43,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2021-11-21 06:41:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2021-11-21 06:41:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:41:43,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:43,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:43,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:43,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 136 states and 209 transitions. [2021-11-21 06:41:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2021-11-21 06:41:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:41:43,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:43,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:43,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:43,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2021-11-21 06:41:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2021-11-21 06:41:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:41:44,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:44,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:44,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:44,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 181 states and 253 transitions. [2021-11-21 06:41:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2021-11-21 06:41:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:41:44,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:44,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:44,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:44,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 181 states and 251 transitions. [2021-11-21 06:41:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2021-11-21 06:41:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:41:44,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:44,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:45,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:45,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 181 states and 249 transitions. [2021-11-21 06:41:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2021-11-21 06:41:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:41:45,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:45,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:45,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:45,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 227 states and 307 transitions. [2021-11-21 06:41:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2021-11-21 06:41:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:41:45,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:45,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:46,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:46,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 227 states and 305 transitions. [2021-11-21 06:41:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2021-11-21 06:41:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:41:46,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:46,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:46,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:46,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 227 states and 303 transitions. [2021-11-21 06:41:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2021-11-21 06:41:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:41:46,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:46,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:46,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:46,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 227 states and 301 transitions. [2021-11-21 06:41:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 301 transitions. [2021-11-21 06:41:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:41:46,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:46,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:46,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:46,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 261 states and 343 transitions. [2021-11-21 06:41:47,200 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 343 transitions. [2021-11-21 06:41:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:41:47,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:47,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:47,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:47,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 261 states and 341 transitions. [2021-11-21 06:41:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 341 transitions. [2021-11-21 06:41:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:41:47,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:47,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:47,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:47,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:41:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 264 states and 343 transitions. [2021-11-21 06:41:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 343 transitions. [2021-11-21 06:41:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:41:47,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:47,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:47,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:47,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 264 states and 341 transitions. [2021-11-21 06:41:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 341 transitions. [2021-11-21 06:41:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:41:47,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:47,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:48,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:48,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:41:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 267 states and 343 transitions. [2021-11-21 06:41:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 343 transitions. [2021-11-21 06:41:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:41:48,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:48,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:48,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:48,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:41:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 270 states and 345 transitions. [2021-11-21 06:41:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2021-11-21 06:41:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:41:48,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:48,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:48,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:48,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:41:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 273 states and 347 transitions. [2021-11-21 06:41:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 347 transitions. [2021-11-21 06:41:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:41:48,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:48,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:48,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:48,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:41:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 276 states and 349 transitions. [2021-11-21 06:41:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 349 transitions. [2021-11-21 06:41:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:41:49,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:49,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:49,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:49,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:41:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 279 states and 351 transitions. [2021-11-21 06:41:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 351 transitions. [2021-11-21 06:41:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:41:49,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:49,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:49,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:41:49,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 279 states and 350 transitions. [2021-11-21 06:41:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 350 transitions. [2021-11-21 06:41:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 06:41:49,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:49,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:49,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:49,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 288 states and 361 transitions. [2021-11-21 06:41:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 361 transitions. [2021-11-21 06:41:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:41:50,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:50,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:50,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:50,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:41:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 297 states and 371 transitions. [2021-11-21 06:41:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 371 transitions. [2021-11-21 06:41:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:41:50,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:50,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:50,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:50,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:41:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 306 states and 381 transitions. [2021-11-21 06:41:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 381 transitions. [2021-11-21 06:41:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:41:50,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:50,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:50,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:50,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 315 states and 392 transitions. [2021-11-21 06:41:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2021-11-21 06:41:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 06:41:51,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:51,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:51,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:51,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:41:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 324 states and 402 transitions. [2021-11-21 06:41:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 402 transitions. [2021-11-21 06:41:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 06:41:51,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:51,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:51,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:51,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:41:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 333 states and 412 transitions. [2021-11-21 06:41:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 412 transitions. [2021-11-21 06:41:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:41:51,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:51,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:51,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:51,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:41:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 342 states and 423 transitions. [2021-11-21 06:41:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 423 transitions. [2021-11-21 06:41:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:41:52,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:52,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:52,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:52,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:41:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 343 states and 425 transitions. [2021-11-21 06:41:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 425 transitions. [2021-11-21 06:41:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 06:41:53,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:53,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:53,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:53,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:41:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 356 states and 440 transitions. [2021-11-21 06:41:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 440 transitions. [2021-11-21 06:41:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 06:41:53,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:53,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:54,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:54,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:41:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 365 states and 450 transitions. [2021-11-21 06:41:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 450 transitions. [2021-11-21 06:41:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 06:41:54,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:54,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:54,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:41:54,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:41:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-21 06:41:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-21 06:41:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:41:54,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:54,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:55,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:41:55,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:41:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-21 06:41:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-21 06:41:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:41:55,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:55,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:55,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:41:55,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:55,948 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:41:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-21 06:41:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-21 06:41:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:41:55,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:55,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:56,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:41:56,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 06:41:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 370 states and 460 transitions. [2021-11-21 06:41:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 460 transitions. [2021-11-21 06:41:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 06:41:56,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:56,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:56,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:41:56,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 06:41:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-21 06:41:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-21 06:41:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 06:41:57,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:57,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:58,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-21 06:41:58,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:41:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-21 06:41:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-21 06:41:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 06:41:58,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:58,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:00,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:42:00,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:42:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-21 06:42:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-21 06:42:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 06:42:00,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:00,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:01,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 06:42:01,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:42:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 373 states and 465 transitions. [2021-11-21 06:42:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 465 transitions. [2021-11-21 06:42:02,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 06:42:02,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:02,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:02,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:42:02,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 06:42:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:02,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 373 states and 463 transitions. [2021-11-21 06:42:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 463 transitions. [2021-11-21 06:42:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 06:42:02,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:02,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:02,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:42:02,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-21 06:42:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 374 states and 465 transitions. [2021-11-21 06:42:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 465 transitions. [2021-11-21 06:42:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 06:42:04,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:04,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:04,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:42:04,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 06:42:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 377 states and 467 transitions. [2021-11-21 06:42:05,775 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 467 transitions. [2021-11-21 06:42:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 06:42:05,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:06,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:42:06,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 06:42:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 379 states and 470 transitions. [2021-11-21 06:42:07,397 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 470 transitions. [2021-11-21 06:42:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 06:42:07,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:07,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:07,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 06:42:07,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 06:42:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 382 states and 472 transitions. [2021-11-21 06:42:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2021-11-21 06:42:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 06:42:08,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:08,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:11,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:42:11,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-21 06:42:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 384 states and 475 transitions. [2021-11-21 06:42:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 475 transitions. [2021-11-21 06:42:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 06:42:12,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:12,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:12,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:42:12,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-21 06:42:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 387 states and 477 transitions. [2021-11-21 06:42:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 477 transitions. [2021-11-21 06:42:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 06:42:13,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:13,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:15,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 06:42:15,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 136 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-21 06:42:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 384 states and 473 transitions. [2021-11-21 06:42:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 473 transitions. [2021-11-21 06:42:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 06:42:16,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:16,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:17,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:42:17,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 83 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-21 06:42:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 386 states and 480 transitions. [2021-11-21 06:42:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 480 transitions. [2021-11-21 06:42:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 06:42:18,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:18,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:19,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:42:19,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 161 proven. 55 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-21 06:42:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 386 states and 480 transitions. [2021-11-21 06:42:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 480 transitions. [2021-11-21 06:42:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 06:42:20,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:20,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:23,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 06:42:23,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-21 06:42:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-21 06:42:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-21 06:42:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 06:42:23,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:23,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:29,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:42:29,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 78 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 06:42:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-21 06:42:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-21 06:42:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 06:42:32,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:32,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:34,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:42:34,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 78 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 06:42:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-21 06:42:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-21 06:42:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 06:42:34,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:34,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:37,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 06:42:37,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 155 proven. 21 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-21 06:42:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 390 states and 486 transitions. [2021-11-21 06:42:38,557 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 486 transitions. [2021-11-21 06:42:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 06:42:38,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:38,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:45,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 06:42:45,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 200 proven. 28 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-21 06:42:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 392 states and 489 transitions. [2021-11-21 06:42:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 489 transitions. [2021-11-21 06:42:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 06:42:48,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:48,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:42:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:42:52,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 06:42:52,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:42:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 251 proven. 36 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-21 06:42:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:42:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-21 06:42:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-21 06:42:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 06:42:57,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:42:57,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:01,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 06:43:01,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:43:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 421 proven. 171 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-21 06:43:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-21 06:43:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-21 06:43:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 06:43:05,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:05,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:43:07,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-21 06:43:07,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:43:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 421 proven. 171 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-21 06:43:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:43:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-21 06:43:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-21 06:43:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 06:43:08,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:43:08,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:43:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:43:19,023 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 06:43:19,026 INFO L158 Benchmark]: Toolchain (without parser) took 99460.21ms. Allocated memory was 96.5MB in the beginning and 285.2MB in the end (delta: 188.7MB). Free memory was 74.7MB in the beginning and 181.3MB in the end (delta: -106.6MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2021-11-21 06:43:19,027 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:43:19,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 924.40ms. Allocated memory is still 96.5MB. Free memory was 74.4MB in the beginning and 46.9MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-21 06:43:19,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.56ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 88.9MB in the end (delta: -42.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-21 06:43:19,029 INFO L158 Benchmark]: Boogie Preprocessor took 194.67ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:43:19,029 INFO L158 Benchmark]: RCFGBuilder took 1863.34ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 80.5MB in the beginning and 71.4MB in the end (delta: 9.1MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2021-11-21 06:43:19,030 INFO L158 Benchmark]: CodeCheck took 96342.36ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 71.4MB in the beginning and 181.3MB in the end (delta: -109.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-21 06:43:19,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 924.40ms. Allocated memory is still 96.5MB. Free memory was 74.4MB in the beginning and 46.9MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.56ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 88.9MB in the end (delta: -42.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.67ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1863.34ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 80.5MB in the beginning and 71.4MB in the end (delta: 9.1MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * CodeCheck took 96342.36ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 71.4MB in the beginning and 181.3MB in the end (delta: -109.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:43:19,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6718-1e3a-4412-8b07-19b4023628f6/bin/ukojak-vF6T2TMglN/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown